患者男性,62岁,主因发作性左眼视物不清,右侧肢体麻木、无力伴言语不清5天来诊。发作

题型:多项选择题 共用题干题

问题:

患者男性,62岁,主因发作性左眼视物不清,右侧肢体麻木、无力伴言语不清5天来诊。发作时言语含糊不清,右侧肢体完全不能活动,持续约5~10分钟后自行缓解,每天发作1~2次,无其他不适,发作后完全正常。既往有高血压病史20年,平素血压控制在150~170/100~110mmHg之间。查体:血压70/110mmHg,左侧颈部可闻及血管杂音,余无阳性体征。

患者彩超及DSA检查显示:颈内动脉起始段局限性狭窄约70%,总胆固醇为7.8mmol/L,甘油三酯2.12mmol/L。提问:可能进一步采取以下哪种措施()。

A.颈动脉内膜切除术

B.血管内支架植入术

C.长期应用阿司匹林或氯吡格雷

D.长期应用肝素

E.服用辛伐他汀2~3年

F.服用苯扎贝特2~3年

考点:山东住院医师急诊科Ⅰ阶段案例分析专项训练案例分析专项训练题库
题型:多项选择题 共用题干题

(10分)太阳能光伏发电最关键的材料是高纯硅。硅的原子结构简图为:

纯硅是通过以下过程制取的:(一)制粗硅:                             

(二)制纯硅:② Si(粗)+ 2Cl2SiCl4  ③ SiCl4 + 2H2 Si(纯)+ 4HCl

纯净的无色透明的硅的氧化物(SiO2)晶体就是通常所说的水晶,这也许你不熟悉,但说起沙子,你一定不会陌生,沙子的主要成份即是SiO2,SiO2的化学性质与CO2有些类似。请根据以上信息,回答以下问题:

(1)X的值为       

(2)推断SiO2的物理性质(三点即可)        、          、            

(3)请写出SiO2与NaOH溶液反应的化学方程式:                           

(4)在反应①②③中,②属于        反应类型,属于置换反应的是(填序号)     

(5)化学上将只要有元素的化合价发生了变化的化学反应就叫做氧化还原反应,氧化还原反应中含有化合价升高了的元素的反应物叫还原剂,反应①中的还原剂是(写化学式)        

题型:多项选择题 共用题干题
完形填空(共20小题:每小题1.5分,满分30分)
阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
On receiving my learner driver license a couple of months ago, I started driving lessons straight away. In New Zealand, the __1__ driving age is 15.
However it wasn’t __2__ two days ago that Dad finally allowed me to drive on the motorway. Our __3__ was Urawa, a seaside town about 60 kilometers away from my home in Auckland. That morning I __4_ sure I had enough to drink and went to the toilet (厕所) about three times __5_ we left. I thought I was totally __6 for the journey, but nothing could have prepared me for my family’s _7__. "Relax! Don’t hold the steering wheel (方向盘) so _8_. The car is going zigzag (弯弯曲曲的), called a nervous voice from the __9__. "Speed up. 70km/h isn’t fast enough. You are holding up the traffic," another voice ordered from the seat next to mine.
How _10__ ! My parents were really starting to get on my nerves. To satisfy them I sped up and within a second, an angry voice began to yell again. "Stop! __11__! Are you crazy? ” Everything did not go fine until I pulled off the motorway and drove into the city, 12__ the speed limit was only 50km/h.
My family seemed relieved (放心的) and __13__ telling me what to do. They all looked out of the windows and enjoyed the scenery. 14__, that silence didn’t last very long. My mum suddenly cried out, "Look at those birds above us. __15 they lovely?"
How did she expect me to look up in the __16__? As the driver I had to _17_ . Who knows what would have happened if I had taken my eyes off the 18__? Four hours later we drove home. This time the journey was much __19__ than before as everyone else __20__ fast asleep. So, I just took my time and enjoyed the drive.
小题1:
A.oldestB.youngestC.bestD.worst
小题2:
A.untilB.unlessC.afterD.when
小题3:
A.destinationB.homeC.cityD.aim
小题4:
A.thoughtB.decidedC.keptD.made
小题5:
A.whenB.sinceC.beforeD.as
小题6:
A.disappointedB.preparedC.excitedD.upset
小题7:
A.praisesB.encouragements C.complaints D.cries
小题8:
A.tightlyB.lightlyC.loosely D.happily
小题9:
A.front seatB.back seatC.top seatD.empty seat
小题10:
A.interestingB.movingC.puzzlingD.annoying
小题11:
A.Get outB.Move onC.Slow downD.Speed up
小题12:
A.whereB.whileC.whichD.why
小题13:
A.began B.stoppedC.continuedD.forgot
小题14: A. Luckily                 B. Probably                  C, Warmly             D. Sadly
小题15:
A.Can’tB.Don’tC.Aren’tD.Won’t
小题16:
A.airB.waterC.groundD.woods
小题17:
A.seeB.concentrateC.checkD.care
小题18:
A.birdB.dogC.roadD.car
小题19:
A.easierB.flatterC.harder D.lower
小题20:
A.feltB.beganC.fellD.kept
题型:多项选择题 共用题干题

质量为4.0kg的铜块,放出7.8×104J的热量后,温度降低到30℃,已知铜的比热容是0.39×103J/(kg·℃),求铜块原来的温度.

题型:多项选择题 共用题干题

在滚动轴承的磨损和损伤的诊断中,最有效的方法是( )。

A.振动总值法

B.振动频率分析法

C.振动脉冲测量法

D.超声波探测法

题型:多项选择题 共用题干题

2014年6月22日第38届世界遗产委员会会议召开,同意将中国大运河列入《世界遗产名录》。大运河不同于古建筑、古遗址的申遗,是仍在使用的“活态线性文化遗产”,对这类项目申请世界文化遗产,在中国尚属首次。我国积极申请并保护、利用大运河文化遗产是因为()

①大运河是中 * * 文化的集中展示和民族情感的集中表达

②大运河是我国民族文化成就的重要标志,有利于研究中华文明的演进

③大运河是中 * * 独有的文化财富,必须先继承后发展

④大运河具有独特的文化价值,有利于展示世界文化的多样性

A.②④

B.①③

C.③④

D.①④

更多题库